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  2. reverse engineering
  • the xray mod came with ads

    removing a title screen promo overlay and a join world chat message from a fabric minecraft mod without touching the xray code

    b b4r
    October 27, 2026
    3 min read
    reverse engineering java minecraft modding
  • bypassing pairip with manual modification

    bypassing java-side pairip checks in a modded android app by removing manifest-registered components, rebuilding, and signing again

    b b4r
    June 17, 2026
    3 min read
    android mobile modding reverse engineering
  • the type of an ordinary ransomware challs

    a writeup of ara7ctf 2026 for/horseman

    b b4r
    February 7, 2026
    4 min read
    digital forensic reverse engineering ransomware ctf
  • reversing linux kernel is easy (?)

    a writeup of astroctf 2025 rev/ghost

    b b4r
    December 19, 2025
    1 min read
    reverse engineering linux kernel ctf
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